The Getty Institute's Getty Vocabulary Program has created databases and thesuari to help find information on artists, fine art terms, and geographic locations.
The Union List of Artist Names (ULAN)
The ULAN is a structured vocabulary containing around 120,000 records, including 293,000 names and biographical and bibliographic information about artists and architects, including a wealth of variant names, pseudonyms, and language variants.
The Art and Architecture Thesaurus (AAT)
The AAT is a structured vocabulary of around 34,000 concepts, including 131,000 terms, descriptions, bibliographic citations, and other information relating to fine art, architecture, decorative arts, archival materials, and material culture.
The Getty Thesuarus of Geographic Names (TGN)
The TGN is a structured vocabulary containing around 912,000 records, including 1.1 million names, place types, coordinates, and descriptive notes, focusing on places important for the study of art and architecture.